simplify. NFC

llvm-svn: 297829
diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp
index d59a79e..ccf267f 100644
--- a/lld/ELF/Writer.cpp
+++ b/lld/ELF/Writer.cpp
@@ -202,10 +202,7 @@
 template <class ELFT> static void combineEhFrameSections() {
   for (InputSectionBase *&S : InputSections) {
     EhInputSection *ES = dyn_cast<EhInputSection>(S);
-    if (!ES)
-      continue;
-
-    if (!ES->Live)
+    if (!ES || !ES->Live)
       continue;
 
     In<ELFT>::EhFrame->addSection(ES);